up-sequence-diagrams

Convert Unified Process use cases into Mermaid System Sequence Diagrams.

3|Updated Mar 31, 2026
One-click install
npx skills add https://github.com/apolosan/unified_process_pi_extension --skill up-sequence-diagrams
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: up-sequence-diagrams
Source: https://github.com/apolosan/unified_process_pi_extension/tree/main/skills/up-sequence-diagrams
Command: npx skills add https://github.com/apolosan/unified_process_pi_extension --skill up-sequence-diagrams

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Generates System Sequence Diagrams to model interactions between actors and the system, translating use-case steps into system operations and visualizing data flows.

Core Features & Use Cases

  • Converts object-oriented Unified Process use cases into Mermaid sequence diagrams.
  • Outputs documentation files (docs/up/04-dss/ and docs/up/04-system-operations.md) for traceability.
  • Uses the provided templates to ensure consistent structure and readability across SSDs.

Quick Start

Load all relevant use cases from docs/up/03-use-cases/ and run the SSD generation workflow to produce the diagrams.

Frequently Asked Questions about up-sequence-diagrams

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I generate System Sequence Diagrams from Unified Process use cases?

You can generate System Sequence Diagrams by loading use cases from docs/up/03-use-cases and applying the provided template to translate use-case steps into system operations and Mermaid sequence diagrams.

What is a System Sequence Diagram used for in software engineering?

A System Sequence Diagram visualizes interactions between actors and the system, translating use-case steps into system operations to establish clear visual contracts within software engineering workflows.

Can I use Mermaid to visualize actor-system interactions for use cases?

Yes, you can use Mermaid to visualize actor-system interactions by converting Unified Process use cases into Mermaid sequence diagrams, generating both visual outputs and traceable documentation files.

How do I convert use cases into system operations documentation?

You convert use cases into system operations documentation by running the SSD generation workflow, which outputs both the Mermaid sequence diagrams and a dedicated system operations file for full traceability.

What format do System Sequence Diagrams need to be in for traceable documentation?

System Sequence Diagrams for traceable documentation are output in Mermaid format to the docs/up/04-dss/ directory alongside a system operations file, ensuring consistent structure and readability across SSDs.

Do I need specific templates to create System Sequence Diagrams from use cases?

Yes, you need the provided dss-template.md template to create System Sequence Diagrams from use cases, ensuring consistent structure and readability across all generated Mermaid diagrams.